Finding the Fourth Proportional to 185,430.76, 255,883.74 and 108,937.96
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Solution
The fourth proportional to 185,430.76, 255,883.74 and 108,937.96 is: 150,328.09
Step by Step Solution
- Step 1: Write the proportion equation
185,430.76 : 255,883.74 = 108,937.96 : x - Step 2: Convert to fraction form
185,430.76/255,883.74 = 108,937.96/x - Step 3: Cross multiply
185,430.76x = 255,883.74 × 108,937.96 - Step 4: Simplify right side
185,430.76x = 27,875,452,632.77 - Step 5: Solve for x
x = 27,875,452,632.77/185,430.76 - Step 6: Final answer
x = 150,328.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.